Silvio Berlusconi's infamous "Bunga Bunga" parties just earned him a prison sentence: The Italian media tycoon and former Prime Minister was sentenced to seven years in a sex-for-hire and police cover-up case.

Along with a $2 million fund for developers to create software to combat child porn, the search firm is trying to create a new database that allows online firms to swap information about offensive images, then eradicate them from the web.